Quarterly report pursuant to Section 13 or 15(d)

Convertible Note Payable - Convertible Note Payable (Details)

v3.19.2
Convertible Note Payable - Convertible Note Payable (Details) - USD ($)
$ in Thousands
6 Months Ended
Jan. 24, 2019
Jun. 30, 2019
Jun. 30, 2018
Short-term Debt [Line Items]      
Outstanding principal and interest, convertible debt   $ 6,651 $ 0
Amortization of debt discount   $ 0 $ 597
Interstate Battery Systems International, Inc.      
Short-term Debt [Line Items]      
Outstanding principal and interest, convertible debt $ 6,700    
Amortization of debt discount 2,600    
Deferred financing expenses $ 20,000    
11% Convertible Notes      
Short-term Debt [Line Items]      
Convertible note interest rate   11.00%  
Amortization period   3 years  
Maturity date   May 24, 2019